@charset "UTF-8";

body {
    background-image: url("../image/background.png");;
    background-size: 100%;
    background-repeat: no-repeat;
}
/* 使背景图片拉伸且占据整个屏幕*/

#login_main {
    width: 400px;
    height: 250px;
    padding: 15px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -200px;
    margin-top: -200px;
    background-color: rgba(240, 255, 255, 0.3);/*添加背景颜色且添加透明效果：*/
    border-radius: 10px;
    text-align: center;
}
/*让一整个div块在整个屏幕居中*/

form p > * {
    display: inline-block;
    vertical-align: middle;
}
/*把输入框和label对齐居中*/

#logo_image {
    text-align: center;
    margin-top: 22px;
}
/*SDNU的logo*/

.label_input {
    font-size: 14px;
    font-family: 宋体, fantasy;
    width: 65px;
    height: 30px;
    line-height: 28px;
    text-align: center;
    color: white;
    background-color: #3CD8FF;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;/*圆角美化*/
}
/*输入框的参数设置*/

.text_field {
    width: 278px;
    height: 28px;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    border: 0;
}
/*输入文本框的参数设置*/

#btn_login {
    font-size: 14px;
    font-family: 宋体, fantasy;
    width: 120px;
    height: 28px;
    line-height: 28px;
    text-align: center;/*给button里面的文字设置居中*/
    color: white;
    background-color: #3BD9FF;
    border-radius: 6px;
    border: 0;
    float: left;
}

#forget {
    font-size: 12px;
    color: black;
    text-decoration: none;
    position: relative;
    float: right;
    top: 5px;
}
/*“忘记密码”的外观参数*/

#forget:hover {
    color: blue;
    text-decoration: underline;/*去除链接的下划线*/
}

#login_control {
    padding: 0 28px;
}

#login_chosen {
	font-size: 12px;
    font-family: 宋体, fantasy;
    width: 320px;
    line-height: 28px;  
}
/*那几个目前没用的身份选择框的参数*/
